package web.controllers;

import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import modelovectorial.DocumentoPDF;
import web.utils.BrowserInformation;

/**
 * @project DLC Final / UTN FRC 2013
 * @date Febrero de 2013
 *
 * @author Gonzalo Arribere
 * @author Gustavo Morales
 * @author Pablo Moreno
 */

public class ViewDocument extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

        response.setContentType("text/html;charset=UTF-8");

        int pIdDocument = 0;
        String strIdDocument = request.getParameter ("id");
        if (strIdDocument != null)
        {
            try
            {
                pIdDocument = Integer.parseInt (strIdDocument);
            }
            catch (Exception e)
            {
                pIdDocument = 0;
            }
        }
        if (pIdDocument > 0)
        {
            DocumentoPDF documento = DocumentoPDF.getDocument (pIdDocument);

            if (documento != null)
            {
                System.out.println (documento);
                
                request.setAttribute ("documento", documento);

                RequestDispatcher dispatcher = request.getRequestDispatcher
                        ((BrowserInformation.isMovileBrowser (request)) ? SitePages.MOVILE_VIEW : SitePages.PAGE_VIEW);
                dispatcher.forward(request, response);
            }
            else
            {
                RequestDispatcher dispatcher = request.getRequestDispatcher
                        ((BrowserInformation.isMovileBrowser (request)) ? SitePages.MOVILE_VIEW_NOT_FOUND : SitePages.PAGE_VIEW_NOT_FOUND);
                dispatcher.forward(request, response);
            }

        }
        else
        {
            RequestDispatcher dispatcher = request.getRequestDispatcher
                    ((BrowserInformation.isMovileBrowser (request)) ? SitePages.MOVILE_VIEW_NOT_FOUND : SitePages.PAGE_VIEW_NOT_FOUND);
            dispatcher.forward(request, response);
        }

        

    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
